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Finding the Fourth Proportional to 17,788.76, 26,683.14 and 6,697.94

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Solution

The fourth proportional to 17,788.76, 26,683.14 and 6,697.94 is: 10,046.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,788.76 : 26,683.14 = 6,697.94 : x
  2. Step 2: Convert to fraction form
    17,788.76/26,683.14 = 6,697.94/x
  3. Step 3: Cross multiply
    17,788.76x = 26,683.14 × 6,697.94
  4. Step 4: Simplify right side
    17,788.76x = 178,721,903.83
  5. Step 5: Solve for x
    x = 178,721,903.83/17,788.76
  6. Step 6: Final answer
    x = 10,046.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.